1652170845 has 64 divisors (see below), whose sum is σ = 3008839680. Its totient is φ = 767999232.

The previous prime is 1652170829. The next prime is 1652170847. The reversal of 1652170845 is 5480712561.

It is not a de Polignac number, because 1652170845 - 2⁴ = 1652170829 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1652170847) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 351984 + ... + 356646.

It is an arithmetic number, because the mean of its divisors is an integer number (47013120).

Almost surely, 2^1652170845 is an apocalyptic number.

1652170845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1652170845 is a deficient number, since it is larger than the sum of its proper divisors (1356668835).

1652170845 is a wasteful number, since it uses less digits than its factorization.

1652170845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4786.

The product of its (nonzero) digits is 67200, while the sum is 39.

The square root of 1652170845 is about 40646.9044946845. The cubic root of 1652170845 is about 1182.1837482497.

The spelling of 1652170845 in words is "one billion, six hundred fifty-two million, one hundred seventy thousand, eight hundred forty-five".